This billboard near Vega, Texas, is causing quite the social media uproar. Kyle Mccallie Courtesy National Billboard tells liberals: Keep driving ‘until you have left our great state of Texas’ By Matthew Martinez June 20, 2018 09:53 AM Updated 1 hour 46 minutes ago “Howdy, y’all,” is the folksy, welcoming greeting that has made Texas known for a relaxed, down-home charm over the years. But that’s not the message motorists are getting from a billboard causing a stir on social media. “Liberals,” the billboard reads. “Please continue on I-40 until you have left our GREAT STATE OF TEXAS.” The billboard is owned by Burkett Outdoor Advertising. It is visible to eastbound drivers on Interstate 40 outside the small Panhandle town of Vega, which is about 30 miles west of Amarillo. Texas is one of the most politically conservative...